Unit 3 Section Four Grammar and usage 1 课件

《Unit 3 Section Four Grammar and usage 1 课件》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、Unit3SectionFourGrammarandusage1课件Thelovelyrobotsattractsthevisitors.Thevisitorsareattractedbythelovelyrobots.S.V.O.O.V.S.TheGreatWallwasvisitedbymanypeoplelastyear.S.V.O.O.V.S.ManypeoplevisitedtheGreatWalllastyear.ThePassivevoice1.句子的主动语态和被动语态可互换，在意义上区别很小。在主动语态中，句子的主语是动作发出

2、者；在被动语态中，句子的主语是动作的接受者或受影响者。Pointouttheverb,thesubjectandtheobjectinthefollowingsentences:Weplantedmanytreeslastyear.Wemustclosethewindowsandthedoor.SV.O.SV.OManytreeswereplanted(byus)lastyear.Thewindowsandthedoormustbeclosed.Thefilm____________(name)ET.isnamedTheGreatWall__

3、______(visit)bymanypeopleeveryyear.isvisitedAbirthdayparty__________(hold)now.isbeingheldThefilmET______________(show)inthecinemanextweek.willbeshowedbe+doneThepassivevoice2、被动语态的基本动词形式是be+过去分词。通过be的时态，可以构成不同时态的被动语态。e.g.Foodiskeptinthefridge.Theglasswasbrokenbytheboy.Thepas

4、sivevoiceindifferenttenses:TenseTheactivevoiceThepassivevoiceThesimplepresentThepresentcontinuousThepresentperfectdo/doesare/isdoneam/is/aredoinghas/havedoneam/is/arebeingdonehave/hasbeendoneThesimplefutureThesimplepastThepastcontinuousThepastperfectbegoingto/willdodidwas/w

5、eredoinghaddonebegoingto/willbedonewas/weredonewas/werebeingdonehadbeendoneFillintheblankswiththerightformofthewordsgiven:I__________(give)anewbookbymyfatheronmybirthday.English__________(find)veryuseful.3.Thework______________(finish)tomorrow.4.Theflowers_______________(wa

6、ter)bythemnow.wasgivenisfoundwillbefinishedarebeingwatered5.Therailway______________(build)thistimelastyear.6.Thenewway____already_________(build).7.Thenewrailway____________(build)bytheendoflastyear.8.Hetoldmethesportsmeeting_____________(hold)thenextmonth.9.Rice________(g

7、row)inthesouthoftheStates.wasbeingbuilthasbeenbuilthadbeenbuiltwouldbeheldisgrown3.在用被动语态时还要注意一下几点：a.在被动语态中，动作发出者往往置于by之后，但在不必指出动作发出者是谁、动作发出者并不重要或很难指出动作发出者是谁时，一般不提及动作发出者。e.g.Boththeheadsetsandtheglovesareconnectedtoacomputernetwork.●在give,lend,offer,send,tell和show等动词后，常带两个宾

8、语，分别指人和物，变为被动语态时，常用指人的宾语做句子的主语，也可用指物的宾语做句子的主语，但需在人前加介词toe.g.Ourteacheroftentellsus